Terraform, Collaboration and DevOps

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lkysow Terraform, Collaboration and DevOps

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lkysow Hello

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lkysow What we'll learn: 1. Terraform 2. Benefits of codification of infrastructure 3. Benefits of Terraform collaboration

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lkysow Beginning: 30 developers, 5 operators, 1 monolith Microservices → Terraform → Terraform Collaboration End: 200 developers, 30 operators, 100+ microservices

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lkysow JIRA Tickets and Shenanigans

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lkysow anubhavm

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lkysow Beneﬁts: Less Mistakes Faster

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lkysow Details: Started with new services Tagged resources: “terraform" = true .tfvars ﬁles for environments: terraform plan -var-file staging.tfvars Multiple repos and remote state 

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lkysow So you learned how to program…

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lkysow Terraform Collaboration Issues: 1. Reviewing diffs 2. Terraform state out of sync with code

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lkysow Atlantis github.com/runatlantis/atlantis

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lkysow Atlantis Solved: 1. Reviewing diffs 2. Terraform state out of sync with code 3. Approvals

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lkysow So you learned what a pull request is…

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But then something cool started to happen…

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lkysow Beginning: 30 developers, 5 operators, 1 monolith Microservices → Terraform → Terraform Collaboration End: 200 developers, 30 operators, 100+ microservices

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lkysow What we learned: 1. Terraform 2. Benefits of codification of infrastructure 3. Benefits of Terraform collaboration

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lkysow What Is The Goal? Build software better and faster Be happy while doing it

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lkysow How Do We Get There? Shared goal Different skillsets working together

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lkysow “…keeping system and application conﬁguration in version control was more highly correlated with software delivery performance than keeping application code in version control." “Our recommendation based on these results is to use a lightweight change approval process based on peer review.”

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lkysow lkysow github.com/runatlantis/atlantis terraform.io Thanks to @sethvargo and @anuvhavm